EP 0374967 B1 19931006 - IMPROVED GAS-LIQUID MIXER
Title (en)
IMPROVED GAS-LIQUID MIXER
Publication
Application
Priority
US 28926588 A 19881223
Abstract (en)
[origin: EP0374967A1] A vessel with an axial flow down-pumping impeller in a draft tube has gas ingestion tubes extending into a body of liquid from a hollow portion of the impeller shaft or other fluid communication means with the overhead gas in the vessel. Upon gas-liquid mixing at liquid levels that interfere with vortex development by the impeller, gas is drawn from the overhead through the ingestion tubes into the body of liquid.
IPC 1-7
IPC 8 full level
B01F 3/04 (2006.01); B01F 7/00 (2006.01); B01F 7/16 (2006.01); B01F 15/00 (2006.01); B01J 19/00 (2006.01); B01J 19/18 (2006.01); B01J 19/20 (2006.01)
CPC (source: EP KR US)
B01F 23/2331 (2022.01 - EP US); B01F 23/23311 (2022.01 - EP); B01F 23/23314 (2022.01 - EP); B01F 23/23341 (2022.01 - EP US); B01F 23/23353 (2022.01 - EP); B01F 23/23363 (2022.01 - EP); B01F 23/2368 (2022.01 - EP US); B01F 27/1921 (2022.01 - EP US); B01F 27/96 (2022.01 - KR); B01J 19/006 (2013.01 - EP US); B01J 19/0066 (2013.01 - EP US); B01J 19/1875 (2013.01 - EP US); B01J 19/20 (2013.01 - EP US); B01F 23/23311 (2022.01 - US); B01F 23/23314 (2022.01 - US); B01F 23/23353 (2022.01 - US); B01F 23/23363 (2022.01 - US); B01F 27/1121 (2022.01 - EP US); B01F 27/1144 (2022.01 - EP US); B01F 27/192 (2022.01 - EP US)
Designated contracting state (EPC)
BE DE FR IT
DOCDB simple family (publication)
US 4919849 A 19900424; BR 8906725 A 19900821; CA 2006590 A1 19900623; CA 2006590 C 19931005; DE 68909760 D1 19931111; DE 68909760 T2 19940127; EP 0374967 A1 19900627; EP 0374967 B1 19931006; JP H02273526 A 19901108; JP H062219 B2 19940112; KR 900009127 A 19900702; KR 950002793 B1 19950327; MX 166564 B 19930118
DOCDB simple family (application)
US 28926588 A 19881223; BR 8906725 A 19891222; CA 2006590 A 19891222; DE 68909760 T 19891222; EP 89123840 A 19891222; JP 33148189 A 19891222; KR 890019757 A 19891222; MX 1886989 A 19891222